diff --git a/pkg/profile/decode.go b/pkg/profile/decode.go
index 31f57716552..7b4fdf10247 100644
--- a/pkg/profile/decode.go
+++ b/pkg/profile/decode.go
@@ -155,20 +155,17 @@ func DecodeInto(lw LocationsWriter, data []byte, demangler Demangler) (DecodeRes
 				name, n := decodeString(data[offset:])
 				offset += n
 
-				systemName, n := decodeString(data[offset:])
-				offset += n
+				if demangler != nil {
+					name = []byte(demangler.Demangle(name))
+				}
 
-				if demangler != nil && len(systemName) > 0 {
-					demangled := demangler.Demangle(systemName)
-					if err := lw.FunctionName.Append([]byte(demangled)); err != nil {
-						return DecodeResult{}, fmt.Errorf("append function name: %w", err)
-					}
-				} else {
-					if err := lw.FunctionName.Append(name); err != nil {
-						return DecodeResult{}, fmt.Errorf("append function name: %w", err)
-					}
+				if err := lw.FunctionName.Append([]byte(name)); err != nil {
+					return DecodeResult{}, fmt.Errorf("append function name: %w", err)
 				}
 
+				systemName, n := decodeString(data[offset:])
+				offset += n
+
 				if err := lw.FunctionSystemName.Append(systemName); err != nil {
 					return DecodeResult{}, fmt.Errorf("append function system name: %w", err)
 				}